ABB Relion 670 Series Applications Manual page 187

1MRK 511 358-UUS A
Set value
AB
BC
CA
A
B
C
The function has two stages that can be set independently.
With the parameter
The function gives trip if the power component in the direction defined by the setting
smaller than the set pick up power value
Application manual
Mode
OpMode1(2) the function can be set Enabled / Disabled .
Formula used for complex power calculation
* *
= × -
S V ( I I )
AB A B
EQUATION2058-ANSI V1 EN-US
* *
= × -
S V ( I I )
BC B C
EQUATION2059-ANSI V1 EN-US
* *
= × -
S V ( I I )
CA C A
EQUATION2060-ANSI V1 EN-US
*
= × ×
S 3 V I
A A
EQUATION2061-ANSI V1 EN-US
*
= × ×
S 3 V I
B B
EQUATION2062-ANSI V1 EN-US
*
= × ×
S 3 V I
C C
EQUATION2063-ANSI V1 EN-US
Power1(2)
Section 7
Current protection
(Equation 68)
(Equation 69)
(Equation 70)
(Equation 71)
(Equation 72)
(Equation 73)
Angle1(2) is
181